question_answer

The magnetic force \[\overrightarrow{F}\] on a current carrying conductor of length l in an external magnetic field \[\overrightarrow{B}\] is given by:

A) \[\frac{l\times \overrightarrow{B}}{\overrightarrow{l}}\]                

B) \[\frac{\overrightarrow{l}\times \overrightarrow{B}}{l}\]

C) \[l(\overrightarrow{l}\times \overrightarrow{B})\]                   

D) \[{{l}^{2}}\overrightarrow{l}\times \overrightarrow{B}\]